A. R. Ghobadi

How watermarking secures e-learning system

A. A. Manaf, A. Boroujerdizadeh, A. H. Yaribakht, 2012, 2012 International Conference on E-Learning and E-Technologies in Education (ICEEE).

A novel method to reduce collusion attack possibility on watermarking

A. Boroujerdizadeh, A. H. Yaribakht, A. R. Ghobadi, 2013, 2013 15th International Conference on Advanced Communications Technology (ICACT).